Law enforcement in Los Angeles County is conducted by a variety of law enforcement agencies.
Los Angeles County Department of Medical Examiner-Coroner (50 sworn Coroner's Investigators)
Los Angeles County Office of the District Attorney, Bureau of Investigation (302 sworn DA Investigators)
Los Angeles County Probation Department (4,484 sworn Probation Officers)
Los Angeles County Sheriff's Department (10,695 sworn Deputy Sheriffs)
Los Angeles County Department of Public Social Services (50 sworn Welfare Fraud Investigators)
Alhambra Police Department
Arcadia Police Department
Azusa Police Department
Baldwin Park Police Department
Beverly Hills Police Department
Bell Police Department
Bell Gardens Police Department
Burbank Police Department
Burbank-Glendale-Pasadena Airport Authority Police
Claremont Police Department
Covina Police Department
Culver City Police Department
Downey Police Department
El Monte Police Department
El Segundo Police Department
Gardena Police Department
Glendale Police Department
Glendora Police Department
Hawthorne Police Department
Hermosa Beach Police Department
Huntington Park Police Department
Inglewood Police Department
La Verne Police Department
Los Angeles Fire Department, Arson/Counter-Terrorism Section (24 sworn officers)
Los Angeles Police Department (9,850 sworn officers)
Los Angeles World Airports Police Division (508 sworn officers)
Port of Los Angeles Police Division (132 sworn officers)
Los Angeles General Services Police (113 sworn officers) (defunct as of 2012)
Los Angeles Department of Recreation and Parks, Park Ranger Division (22 sworn officers)
Los Angeles Department of Public Works, Bureau of Street Services, Investigation and Enforcement Division (47 sworn officers)
Long Beach Police Department
Long Beach Harbor Patrol
Manhattan Beach Police Department
Monrovia Police Department
Montebello Police Department
Monterey Park Police Department
Palos Verdes Estates Police Department
Pasadena Police Department
Pomona Police Department
Redondo Beach Police Department
San Fernando
San Fernando Police Department
San Gabriel Police Department
San Marino Police Department
Whittier Police Department
Santa Monica Police Department
Sierra Madre Police Department
Signal Hill Police Department
South Gate Police Department
South Pasadena Police Department
Torrance Police Department
Vernon Police Department
West Covina Police Department
Whittier Police Department
Los Angeles School Police Department (393 sworn officers)
Law enforcement in Los Angeles County Wikipedia (Text) CC BY-SA